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Boring
Common Names
Common Uses
Countries of Distribution
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Gluing
Grain
Heartwood Color
Kiln Schedules
Mortising
Moulding
Nailing
Natural Durability
Numerical Data
Odor
Planing
References
Regions of Distribution
Resistance to Impregnation
Sapwood Color
Scientific Name
Screwing
Strength Properties
Texture
Trade Name
Tree Size
Turning
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Common Names
California red fir, Fir, Golden fir, Red fir, Shasta fir, Shasta red fir, Silvertip, Western fir, White fir
Regions of Distribution
North America
Countries of Distribution
[VIEW MAP]
United States
Common Uses
Beams, Boxes and crates, Building construction, Cabin construction, Casks, Concrete formwork, Construction, Decks, Decorative plywood, Dressed boards, Factory construction, Form work, Foundation posts, Framing, Heavy construction, Joists, Light construction, Lumber, Packing cases, Plywood, Porch columns, Pulp/Paper products, Pulpwood, Rough boards/dimension stock, Rough construction, Structural plywood, Utility plywood
Environmental Profile
| Abundant/Secure |
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| Questionable |
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| Widespread |
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| May be rare in some parts of its range, particularly at the periphery |
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| Globally secure |
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| Data source is Nature Conservancy |
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| Abundant |
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Rank of relative endangerment based primarily on the number of occurrences of the species globally
Distribution Overview
In the U.S. and Canada, Subalpine Fir grows naturally in mountains from central Yukon and the eastern parts of southeast Alaska south through Alberta and British Columbia. Also, from Washington, Oregon, Idaho and western Montana south to central Colorado southern New Mexico and southeast Arizona. Locally, it can be found in northeast Nevada and northwest California.
Heartwood Color
| Brown |
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| White |
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| Yellow |
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| Purple |
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| Red |
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| Whitish |
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| Same as sapwood |
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| Light buff to yellowish brown |
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| Light brown |
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The latewood portion of the growth ring is usually tinged with a lavender, roseate, or a reddish brown color
Sapwood Color
| Red |
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| Brown |
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| Yellow |
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| White |
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| Color not distinct from heartwood |
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Grain
Texture
| Coarse |
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| Medium |
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| Medium coarse to coarse |
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Natural Durability
| Perishable |
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| Non-durable |
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| Very little resistance to decay |
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| No natural resistance |
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Odor
| Has an odor |
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| No specific smell or taste |
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| May have a slightly disagreeable smell when green |
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Kiln Schedules
| 12 - B5 (4/4);T12 - B4 (8/4) U.S |
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Drying Defects
| Uneven Moisture Content |
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| Ring Shakes |
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| Splitting |
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| Wetwood |
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| Uneven moisture content |
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| Shakes |
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| Expect splits |
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Ease of Drying
Tree Size
| Tree height is 20-30 m |
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| Tree height is 30-40 m |
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| Trunk diameter is 100-150 cm |
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Boring
| Fair to good results |
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| Good results |
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Gluing
| Very Good to Excellent Results |
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| Fairly Easy to Very Easy |
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| Excellent gluing properties |
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Mortising
| Fair to Good Results |
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| Good mortising properties |
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Moulding
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Good moulding properties |
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Nailing
| Very Good to Excellent Results |
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| Fair to Good Results |
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| Holds nails well |
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| Good resistance to splitting while nailing |
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Planing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Good planing properties |
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Resistance to Impregnation
| Resistant sapwood |
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| Resistant heartwood |
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| Difficult to treat with preservatives |
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Screwing
| Very Good to Excellent Results |
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| Fairly Easy to Very Easy |
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| Very good screw holding qualities |
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| Excellent screwing properties |
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Turning
| Fair to Good Results |
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| Good results |
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Strength Properties
| Surfaces may dent or scratch easily |
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| Soft |
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| Max. crushing strength = low |
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| Bending strength (MOR) = medium |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 5684 | 10241 | psi |
| Crushing Strength | 323 | 598 | psi |
| Hardness | | 490 | lbs |
| Impact Strength | 21 | 24 | inches |
| Maximum Crushing Strength | 2705 | 5356 | psi |
| Shearing Strength | | 1019 | psi |
| Stiffness | 1147 | 1465 | 1000 psi |
| Toughness | | 142 | inch-lbs |
| Work to Maximum Load | 6 | 9 | inch-lbs/in3 |
| Specific Gravity | 0.29 | 0.26 | |
| Radial Shrinkage | 4 | | % |
| Tangential Shrinkage | 8 | | % |
| Volumetric Shrinkage | 11 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 399 | 720 | kg/cm2 |
| Crushing Strength | 22 | 42 | kg/cm2 |
| Hardness | | 222 | kg |
| Impact Strength | 53 | 60 | cm |
| Maximum Crushing Strength | 190 | 376 | kg/cm2 |
| Shearing Strength | | 71 | kg/cm2 |
| Stiffness | 80 | 103 | 1000 kg/cm2 |
| Toughness | | 163 | cm-kg |
| Work to Maximum Load | 0.42 | 0.63 | cm-kg/cm3 |
| Specific Gravity | 0.29 | 0.26 | |
| Radial Shrinkage | 4 | | % |
| Tangential Shrinkage | 8 | | % |
References
Boone, R.S., C.J. Kozlik, P.J. Bois, E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Hardwoods - Temperate and Tropical. USDA, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.
Little, E.L. 1980. The Audobon Society Field Guide to North American Trees - Western Region. Published by Alfred A. Knopf, New York.
Panshin, A.J. and C. deZeeuw. Textbook of Wood Technology. McGraw-Hill Series in Forest Resources. McGraw-Hill Book Company, New York.
USDA. 1987. Wood Handbook:Wood as an Engineering Material. Agriculture Handbook No. 72. United States Department of Agriculture, Forest Service, Madison, Wisconsin.
USDA. 1988. Dry Kiln Operators Manual, Preliminary Copy. Forest Service, Forest Products Laboratory, Madison, Wisconsin.
Western Wood Products Association. 19__. Softwoods of the Western USA. Published and Distributed by the Western Wood Products Association, Yeon Building, 522 S.W. Fifth Avenue, Portland, Oregon.
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